For a range surrounding a node, set selection index to 0.

chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Include test fixture.
 GEN_INCLUDE(['../../testing/chromevox_next_e2e_test_base.js',
              '../../testing/assert_additions.js']);
 
 GEN_INCLUDE(['../../testing/mock_feedback.js']);
 
@@ skipping 917 matching lines @@
   */}, function(root) {
     mockFeedback.call(doCmd('nextHeading'))
         .expectNextSpeechUtteranceIsNot('NE')
         .expectSpeech('NW')
         .call(doCmd('previousHeading'))
         .expectNextSpeechUtteranceIsNot('NE')
         .expectSpeech('NW')
         .replay();
   });
 });
+
+TEST_F('BackgroundTest', 'ContentEditableJumpSyncsRange', function() {
+  var mockFeedback = this.createMockFeedback();
+  this.runWithLoadedTree(function(root) {/*!
+    <div contenteditable>
+      <h1>Top News</h1>
+      <h1>Most Popular</h1>
+      <h1>Sports</h1>
+    </div>
+  */}, function(root) {
+    var assertRangeHasText = function(text) {
+      return function() {
+        assertEquals(text,
+                     ChromeVoxState.instance.getCurrentRange().start.node.name);
+      };
+    };
+
+    mockFeedback.call(doCmd('nextHeading'))
+        .expectSpeech('Top News')
+        .call(assertRangeHasText('Top News'))
+        .call(doCmd('nextHeading'))
+        .expectSpeech('Most Popular')
+        .call(assertRangeHasText('Most Popular'))
+        .call(doCmd('nextLine'))
+        .expectSpeech('Sports')
+        .call(assertRangeHasText('Sports'))
+        .replay();
+  });
+});